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nimsh and SAP
WARNING! Let me make this perfectly clear! The procedure that is shown below is NOT SUPPORTED by IBM. If you choose to follow these procedures, DO NOT contact IBM support for help. They will not be able to assist you. They will ask you to change the nimsh port numbers back to the defaults. They will ask you to change your SAP application to use a different port number. YOU HAVE BEEN WARNED! Here’s a problem I’ve encountered more than once. Someone installs SAP onto an AIX system and decides to use TCP port 3901... [More]
Tags:  aix nim chris sap 3901 gibson nimsh |
NIMSH, SSL and LPM.
Do you use SSL with nimsh on AIX? No? Well, you might want to consider it. If you regularly use LPM to migrate AIX partitions from one server to another, you may have found that, on occasion , your NIM master has trouble communicating with its NIM clients afterwards. This is by design, as nimsh uses the NIM clients cpuid to authenticate with the NIM master. During an LPM operation, the cpuid of the NIM client changes and its possible the NIM master may reject the client as a result. This problem can occur even when CPU validation is disabled on... [More]
Tags:  processing error aix blog encountered on ssl lpm chris "master": nim: gibson nimsh nim 0042-001 |
0042-358 niminit: The connect attribute may only be assigned a service value of "shell" or "nimsh".
I was working at a client site today, on a NIM master that I
configured a month or so ago. I was there to install the TSM backup client
software on about 30 or so LPARs. Of course I was going to use NIM to
accomplish this task. The software install via NIM worked for the majority of the LPARs
but I noticed a few of them were failing. This was very odd, as the last time
I’d use the same NIM method to install software, everything was fine. I suspected that perhaps something had changed on the client
LPARs...maybe with their /etc/niminfo... [More]
Tags:  chris nimsh gibson 3901 3902 nim aix |
NIM Master, NIMSH and SSL on AIX 7.1 TL4 SP3
Whilst working with one of my AIX customers recently I discovered a problem with NIMSH and SSL. The customer had updated their NIM master from AIX 7.1 TL4 SP1 to AIX 7.1 TL4 SP3 . After the SP update, any attempt to connect to a NIM client (over NIMSH+SSL), from the NIM master, would simply hang. For example, we tried to list the filesets on the NIM client with this command, which never returned any output. [root@750lpar4]/ # nim -o lslpp 750lpar9 The /var/adm/ras/nimsh.log file, on the NIM client, showed that the NIMSH session... [More]
Tags:  nimsh sp3 nim hang lslpp chris 7.1 ssl tl4 7100-04-03-1642 aix gibson -o iv93152 libssl.so |